what can I use instead of rockwool

canniboss

Well-Known Member
I can't find any rockwool locally. Can I put seedlings directly into lava rock? I am afraid of damaging the wee seedling Is there anything else that I can use that is easily obtained?
I will have a 2 plant stealth cabinet grow with DWC and CFL's.
I only got 5 seeds from the best outdoor I grew this season and I started them in papertowel earlier today and then found out that I am missing the rockwool.

The cabinet isnt finished obviously, I plan on adding mylar and a muffler for the inline fan I hope to be done the cabinet monday night and I will be posting pics of both the cabinet and the grow on this site.

Please help me
 

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I use peat pellets...you can find them everywhere..walmart etc....or you can put the germed sprout directly in your soil in a pot.
 
You can use a piece of good sponge like they sell for car washing. I would cut a vertical slit in to the center to open up a root channel. The ones with large pores are better.
 
You can use a piece of good sponge like they sell for car washing. I would cut a vertical slit in to the center to open up a root channel. The ones with large pores are better.

Thanks for the great idea, I've seen your posts before, always great. The seeds thank you, as do I.
 
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